Who will help the Earth, which has been chosen as the next target of a cruel race of invaders - “aliens”? The friendly races of the Galactic Federation offer their support to humanity - but, as it turns out, even the most “friendly” help is not selfish. Now the earthlings have learned a cruel lesson at great cost. “Lord, protect us from our friends, and we will protect ourselves from our enemies!” Now the very existence of humanity in space is at stake.